CN103424325B - Polishing assay device is accelerated on road surface - Google Patents
Polishing assay device is accelerated on road surface Download PDFInfo
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- CN103424325B CN103424325B CN201310367107.5A CN201310367107A CN103424325B CN 103424325 B CN103424325 B CN 103424325B CN 201310367107 A CN201310367107 A CN 201310367107A CN 103424325 B CN103424325 B CN 103424325B
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Abstract
The invention discloses a kind of road surface and accelerate polishing assay device, including test material fixed mechanism and polishing material fixed mechanism, described test material fixed mechanism can move back and forth by polishing material fixed mechanism relatively, test material fixed mechanism is provided with the traction apparatus driving its motion, and polishing material fixed mechanism is provided with charger.Simulated automotive of the present invention travels on road, beneficially the measure and calculation of the data such as surface friction coefficient, wearing depth and mass loss, analyzes the antiskid anti-wear performance of test material；The test material antiskid anti-wear performance in different condition can be drawn by installing different experiment materials and different polishing materials.
Description
Technical field
The invention belongs to the technical field of testing of materials.
Background technology
Along with developing rapidly of highway industry, being continuously increased of highway quantity, traffic becomes increasingly to facilitate.But road surface is in use many due to vehicle fleet size, the speed of service is fast, vehicle-mounted bearing capacity is big, the abrasion causing road surface becomes big, anti-slide performance reduces, and in particularly rainy season, the hydrops on road surface can form water membrane between tire and road surface, easily cause smooth and cause vehicle accident, have influence on traffic safety.Therefore, the antiskid performance on road surface and the security performance of driving have direct relation.
The surface antiskid on road surface, the macro-texture depending mainly on the size of road crust structure of abrasive resistance and the Micro texture of aggregate particle itself.The antiskid performance of the antiskid wearing layer of the characteristic road pavement gathered materials has conclusive impact, and the antiskid performance of pavement skid resistance wearing course is mainly evaluated by the polishing value gathered materials.Also having asphalt technology also system relevant with the antiskid performance on road surface, the structural feature on road surface is determined by asphalt, drainability between road surface and wheel when good pavement structure can improve rainy season, and minimizing is due to the smooth vehicle accident caused.
Owing to ground surface material and Road Service Life, traffic safety have close ties, therefore a kind of easy ground surface material of exploitation accelerates polishing assay device is necessary.At present, countries in the world achieve abundant achievement in research in terms of pavement skid resistance condition, have developed the test equipment of multiple antiskid performance.Through plurality of devices is researched and analysed, find the pluses and minuses having himself, roll to carry out simulated automotive and travel on road on road surface as some equipment operationally use tire, tire not only to realize the rotation of self, tire entirety also needs to move in a circle, the track that i.e. tire drop point is circular makees shuttling movement, owing to tire exists certain width, internal ring (i.e. the side of the close axis of tire) and outer shroud (i.e. the side away from axis of the tire) operation angle of tire are different, add it is to move in a circle along a certain axis, the effect of centrifugal force is had during operation, so the most cumbersome when calculating its coefficient of friction, result of the test can not be drawn quickly.
Summary of the invention
The present invention provides a kind of road surface to accelerate polishing assay device, and solution must not draw the problem of the index Test results such as surface friction coefficient, wearing depth and mass loss quickly, preferably to evaluate the antiskid anti-wear performance of ground surface material.
In order to solve above-mentioned technical problem, the present invention provides following technical scheme:
Polishing assay device is accelerated on a kind of road surface, including test material fixed mechanism and polishing material fixed mechanism, described test material fixed mechanism can move back and forth by polishing material fixed mechanism relatively, test material fixed mechanism is provided with the traction apparatus driving its motion, and polishing material fixed mechanism is provided with charger.
Compared with prior art, it is an advantage of the current invention that: the present invention is in use, test material is arranged on test material fixed mechanism, the polishing materials such as the polishing material containing corundum or block rubber are arranged on polishing material fixed mechanism, apply certain pressure by charger and make polishing material fixed mechanism trend test material fixed mechanism, simulated automotive travels on road, it is beneficial to the measure and calculation of the data such as surface friction coefficient, wearing depth and mass loss, analyzes the antiskid anti-wear performance of test material；The test material antiskid anti-wear performance at different condition (the most dissimilar block rubber) can be drawn by installing different experiment materials and different polishing materials.
Further, described test material fixed mechanism includes that seat fixed by test material, test material is fixed and is had groove on seat, screwed hole is had on groove, being provided with the spiro rod length bolt more than screwed hole in screwed hole, test material puts into groove, then screwing bolts, the end making bolt offsets with test material, can complete the fixing of experiment material.
Further, described polishing material fixed mechanism includes that seat fixed by polishing material, polishing material is fixed and is had storage tank on seat, screwed hole is had on storage tank, being provided with the spiro rod length bolt more than screwed hole in screwed hole, block rubber puts into storage tank, then screwing bolts, the end making bolt offsets with polishing material, i.e. completes the fixing of polishing material.
Further, described charger is hydraulic jack or balancing weight, can apply pressure by polishing material to test material.
Accompanying drawing explanation
With embodiment, technical solution of the present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation that polishing assay device embodiment is accelerated on road surface of the present invention.
Detailed description of the invention
As it is shown in figure 1, polishing assay device is accelerated on a kind of road surface in the present embodiment, including test material fixed mechanism: be mainly used in fixing test material to be determined；Polishing material fixed mechanism: be mainly used in fixing polishing material, described polishing material is block rubber or other polishing materials containing corundum；Attachment means: for hinge ring 3 in the present embodiment, be used for connecting polishing material fixed mechanism and charger；Charger: jack or balancing weight, is mainly further applied load, and is hydraulic jack 4 in the present embodiment, and wherein said jack includes display device for loads inside；Traction apparatus: mainly provide traction power, makes test material fixed mechanism back and forth movement, is motor 5 in the present embodiment；Bolt 6: its length is more than screwed hole, the most fixing polishing material and test material.
More specifically, the present embodiment also includes that operating platform 7, operating platform 7 are provided with guide rail 8, test material is fixed seat 1 and is arranged on guide rail 8, and motor 5 drives test material to fix seat 1 along guide rail 8 back and forth movement.Test material fixed mechanism includes that seat 1 fixed by test material, and test material is fixed and had groove on seat 1, and the size of groove is 30cm × 30cm × 5cm, and groove has screwed hole, is provided with the spiro rod length bolt 6 more than screwed hole in screwed hole.Described polishing material fixed mechanism includes that seat 2 fixed by polishing material, and polishing material is fixed and had storage tank on seat 2, and the size of storage tank is 30cm × 30cm × 5cm, and storage tank has screwed hole, is provided with the spiro rod length bolt 6 more than screwed hole in screwed hole.
The using method of the present embodiment is as follows:
1, a size of 30cm × 30cm × 5cm oblique angle rubber for tire block is put into storage tank, and bolt 6 is screwed, make the end of bolt 6 offset with oblique angle rubber for tire block；
2, the test specimen of 30cm × 30cm × 5cm size is snapped in groove, and bolt 6 is screwed, make the end of bolt 6 offset with test specimen, test material is fixed seat 1 and is arranged on guide rail 8；
3, make test material fix the opening upwards of seat 1 groove, polishing material fix seat 2 Open Side Down, and make the oblique angle adjacent test specimen of rubber for tire block；
4, by the pressure of hydraulic jack 4 controlled loading；
5, start motor 5, make test specimen realize back and forth movement under the drive of motor 5；
6, take off test specimen and oblique angle rubber for tire block during off-test, measure and record the data such as coefficient of friction of the wearing depth of test specimen, mass loss or rubbing surface, compared by the calculating of data, measure the antiskid anti-wear performance of test specimen；
7, relevant apparatus is cleared up, continue next one experiment.
When polishing material is chosen, except choosing oblique angle rubber for tire, highway tread pattern, cross-country tread pattern, radial and the polishing material of band corundum also can be chosen, or added with steel wire and the polishing material of fiber.
For a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement, these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.
Claims (2)
1. polishing assay device is accelerated on a road surface, it is characterized in that: include test material fixed mechanism and polishing material fixed mechanism, described test material fixed mechanism can carry out the reciprocating motion of imposed load by polishing material fixed mechanism relatively, test material fixed mechanism is provided with the traction apparatus driving its motion, and polishing material fixed mechanism is provided with for the charger to polishing material imposed load；Described test material fixed mechanism includes that seat fixed by test material, and test material is fixed and had groove on seat, and groove has screwed hole, is provided with the spiro rod length bolt more than screwed hole in screwed hole；Described polishing material fixed mechanism includes that seat fixed by polishing material, and polishing material is fixed and had storage tank on seat, and storage tank has screwed hole, is provided with the spiro rod length bolt more than screwed hole in screwed hole.
2. polishing assay device is accelerated on the road surface as described in claim 1, it is characterised in that: described charger is hydraulic jack or balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367107.5A CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367107.5A CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
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| Publication Number | Publication Date |
|---|---|
| CN103424325A CN103424325A (en) | 2013-12-04 |
| CN103424325B true CN103424325B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310367107.5A Expired - Fee Related CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006996B (en) * | 2014-06-06 | 2017-01-04 | 招商局重庆交通科研设计院有限公司 | Polishing abrasion integration test specimen and preparation method thereof is accelerated on a kind of road surface |
| CN103983567B (en) * | 2014-06-09 | 2016-04-20 | 招商局重庆交通科研设计院有限公司 | A kind of acceleration polishing instrument for testing ground surface material dynamic friction |
| CN103983568B (en) * | 2014-06-11 | 2016-04-20 | 招商局重庆交通科研设计院有限公司 | A kind of bitumen mixture specimen accelerates polishing test method |
| CN105300824B (en) * | 2015-11-18 | 2018-08-21 | 长安大学 | Mist sealing wearability test device and method based on friction |
| CN109507104B (en) * | 2018-11-15 | 2021-10-22 | 广州肖宁道路工程技术研究事务所有限公司 | Abrasion test wheel, and equipment and method for testing anti-skid performance of asphalt pavement |
| CN110346283A (en) * | 2019-07-15 | 2019-10-18 | 南京林业大学 | A kind of cover type colored road surface useful life longevity integrated evaluating method |
| CN112129929B (en) * | 2020-09-30 | 2022-11-15 | 重庆百信实业有限公司 | Method for detecting comprehensive performance of track coating |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574045Y (en) * | 2002-10-17 | 2003-09-17 | 浙江双飞无油轴承有限公司 | End face friction testing device |
| CN201449365U (en) * | 2009-07-27 | 2010-05-05 | 长安大学 | Road surface material accelerated abrader |
| JP5534587B2 (en) * | 2010-02-04 | 2014-07-02 | 株式会社ブリヂストン | Rubber testing machine |
| CN203732385U (en) * | 2013-08-21 | 2014-07-23 | 招商局重庆交通科研设计院有限公司 | Accelerated road surface polishing test unit |
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